EP0323719A3 - Process for producing pre-expanded particles of a polyolefin - Google Patents

Process for producing pre-expanded particles of a polyolefin Download PDF

Info

Publication number
EP0323719A3
EP0323719A3 EP19880311729 EP88311729A EP0323719A3 EP 0323719 A3 EP0323719 A3 EP 0323719A3 EP 19880311729 EP19880311729 EP 19880311729 EP 88311729 A EP88311729 A EP 88311729A EP 0323719 A3 EP0323719 A3 EP 0323719A3
Authority
EP
European Patent Office
Prior art keywords
polyolefin
expanded particles
producing pre
producing
expanded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19880311729
Other versions
EP0323719B2 (en
EP0323719A2 (en
EP0323719B1 (en
Inventor
Yoshiharu Fukui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18077283&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0323719(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of EP0323719A2 publication Critical patent/EP0323719A2/en
Publication of EP0323719A3 publication Critical patent/EP0323719A3/en
Application granted granted Critical
Publication of EP0323719B1 publication Critical patent/EP0323719B1/en
Publication of EP0323719B2 publication Critical patent/EP0323719B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
EP88311729A 1987-12-14 1988-12-12 Process for producing pre-expanded particles of a polyolefin Expired - Lifetime EP0323719B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP316455/87 1987-12-14
JP62316455A JPH0747660B2 (en) 1987-12-14 1987-12-14 Method for producing pre-expanded particles of polyolefin resin

Publications (4)

Publication Number Publication Date
EP0323719A2 EP0323719A2 (en) 1989-07-12
EP0323719A3 true EP0323719A3 (en) 1990-10-24
EP0323719B1 EP0323719B1 (en) 1994-03-02
EP0323719B2 EP0323719B2 (en) 1998-10-28

Family

ID=18077283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88311729A Expired - Lifetime EP0323719B2 (en) 1987-12-14 1988-12-12 Process for producing pre-expanded particles of a polyolefin

Country Status (4)

Country Link
US (1) US4855327A (en)
EP (1) EP0323719B2 (en)
JP (1) JPH0747660B2 (en)
DE (1) DE3888158T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19542734A1 (en) * 1995-11-16 1997-05-22 Huels Chemische Werke Ag Process for finishing polyolefinic particle foam
US6576693B2 (en) * 2001-08-02 2003-06-10 Kaneka Corporation Pre-expanded particles of polypropylene resin and inmolded foamed article using the same
WO2003029336A1 (en) * 2001-09-28 2003-04-10 Kaneka Corporation Pre-expanded polypropylene resin bead and molded object obtained therefrom by in-mold foaming
JP2009256477A (en) * 2008-04-17 2009-11-05 Kaneka Corp Polypropylene resin expanded particle
JP5129641B2 (en) * 2008-04-17 2013-01-30 株式会社カネカ POLYPROPYLENE RESIN FOAM PARTICLE, IN-MOLD FOAM MOLDED PRODUCT AND METHOD FOR PRODUCING FOAM PARTICLE
JP2017179140A (en) * 2016-03-30 2017-10-05 積水化成品工業株式会社 Antioxidant-containing foamable resin particle and manufacturing method therefor, foam particle and foam molded body

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2058092A (en) * 1979-09-10 1981-04-08 Asahi Chemical Ind Ethylene-alpha-olefin copolymer powder for powder molding
US4414371A (en) * 1981-01-15 1983-11-08 Exxon Research & Engineering Co. Process for producing polyolefin granules having an average particle size greater than 600 microns
EP0123816A1 (en) * 1983-04-05 1984-11-07 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Pre-expanded particle of polyolefin and process for preparing the same
EP0212204A2 (en) * 1985-07-12 1987-03-04 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Pre-expanded particles of non-crosslinked linear low density polyethylene and process for producing cellular materials therefrom

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936116A (en) * 1982-08-24 1984-02-28 Chisso Corp Expanding ethylene-propylene copolymer and manufacture of the same
EP0229461B1 (en) * 1985-11-14 1992-07-08 Mitsubishi Petrochemical Co., Ltd. Foamable composition comprising polypropylene, and cellular products thereof
JP3170339B2 (en) * 1992-03-31 2001-05-28 京セラ株式会社 Biotransplant material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2058092A (en) * 1979-09-10 1981-04-08 Asahi Chemical Ind Ethylene-alpha-olefin copolymer powder for powder molding
US4414371A (en) * 1981-01-15 1983-11-08 Exxon Research & Engineering Co. Process for producing polyolefin granules having an average particle size greater than 600 microns
EP0123816A1 (en) * 1983-04-05 1984-11-07 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Pre-expanded particle of polyolefin and process for preparing the same
EP0212204A2 (en) * 1985-07-12 1987-03-04 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Pre-expanded particles of non-crosslinked linear low density polyethylene and process for producing cellular materials therefrom

Also Published As

Publication number Publication date
JPH0747660B2 (en) 1995-05-24
EP0323719B2 (en) 1998-10-28
US4855327A (en) 1989-08-08
DE3888158D1 (en) 1994-04-07
DE3888158T3 (en) 1999-05-12
JPH01156339A (en) 1989-06-19
EP0323719A2 (en) 1989-07-12
EP0323719B1 (en) 1994-03-02
DE3888158T2 (en) 1994-08-18

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